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daytime density MCQ Questions for Class 12

daytime density se related questions ko ek jagah revise karein. Har question me bilingual content, answer feedback aur explanation available hai.

Practice Questions

9 questions tagged with daytime density.

यदि resident density 1200 और daytime density 1800 व्यक्ति प्रति वर्ग किलोमीटर है, तो resident density daytime density की कितने प्रतिशत है?

If resident density is 1200 and daytime density is 1800 persons per square kilometre, what percentage of daytime density is resident density?

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Correct Answer

B. 66.7 प्रतिशत66.7 percent

Explanation

Simple Explanation

Required percentage \(\frac{1200}{1800}\times100=66.666...\%\) है। इसलिए resident density daytime density की लगभग 66.7 percent है और दूसरा विकल्प सही है। यह percentage-of comparison है, percentage difference नहीं। यदि पूछा जाता daytime density resident से कितने percent अधिक है, answer 50 percent होता। / The required percentage is \(\frac{1200}{1800}\times100=66.666...\%\). Therefore, resident density is about 66.7 percent of daytime density and the second option is correct. This is a percentage-of comparison, not a percentage-difference question. If asked how much higher daytime density is than resident density, the answer would be 50 percent.

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यदि किसी city की municipal area unchanged रहे लेकिन daytime population 30 प्रतिशत बढ़े और resident population 10 प्रतिशत घटे, तो daytime-to-resident density ratio में क्या effect होगा?

If a city's municipal area remains unchanged while daytime population rises by 30 percent and resident population falls by 10 percent, what happens to the daytime-to-resident density ratio?

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Correct Answer

B. Ratio लगभग 1.44 गुना होगाRatio becomes about 1.44 times

Explanation

Simple Explanation

Same area होने के कारण density ratio population ratio change के बराबर होगा। Daytime multiplier 1.30 और resident multiplier 0.90 है। इसलिए new daytime-to-resident density ratio relative to old ratio \(\frac{1.30}{0.90}=1.444...\) times होगा। दूसरा विकल्प सही है। यह functional population pressure के बढ़ने को दर्शाता है। / Because both densities use the same unchanged area, the change in their ratio equals the change in the corresponding population ratio. Daytime population multiplier is 1.30 and resident population multiplier is 0.90. Thus the new daytime-to-resident density ratio is \(\frac{1.30}{0.90}=1.444...\) times the old ratio. Therefore, the second option is correct.

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यदि resident density 900 और daytime density 1260 व्यक्ति प्रति वर्ग किलोमीटर है, तो daytime density resident density से कितने प्रतिशत अधिक है?

If resident density is 900 and daytime density is 1260 persons per square kilometre, by what percentage is daytime density higher?

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Correct Answer

C. 40 प्रतिशत40 percent

Explanation

Simple Explanation

Difference \(1260-900=360\) है। Percentage increase resident density के relative \(\frac{360}{900}\times100=40\%\) है। इसलिए तीसरा विकल्प सही है। 360 absolute difference है, percentage नहीं। परीक्षा में percentage higher questions में reference value denominator में होती है, यहां resident density। / The difference is \(1260-900=360\). Percentage increase relative to resident density is \(\frac{360}{900}\times100=40\%\). Therefore, the third option is correct. The value 360 is the absolute difference, not a percentage. In examinations, for percent-higher questions, the reference value belongs in the denominator, here the resident density.

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यदि किसी city की daytime population 1500000 और resident population 1000000 है तथा area 625 वर्ग किलोमीटर है, तो daytime density resident density से कितनी अधिक है?

If a city has a daytime population of 1500000 and a resident population of 1000000 over 625 square kilometres, by how much does daytime density exceed resident density?

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Correct Answer

C. 800 व्यक्ति प्रति वर्ग किलोमीटर800 persons per square kilometre

Explanation

Simple Explanation

Daytime density \(1500000/625=2400\) और resident density \(1000000/625=1600\) व्यक्ति प्रति वर्ग किलोमीटर है। Difference \(2400-1600=800\) है। इसलिए तीसरा विकल्प सही है। यह commuting and daily inflow के कारण functional density और residential density के बीच अंतर दिखाता है। परीक्षा में दोनों populations को same area से divide करें। / Daytime density is \(1500000/625=2400\), while resident density is \(1000000/625=1600\) persons per square kilometre. The difference is \(2400-1600=800\). Therefore, the third option is correct. This shows the effect of commuting and daily inflow on functional versus residential density. In examinations, divide both population measures by the same area before comparing them.

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यदि किसी city की resident density 1000 है और daytime density 1350 व्यक्ति प्रति वर्ग किलोमीटर है, तो daytime density resident density से कितने प्रतिशत अधिक है?

If a city's resident density is 1000 and daytime density is 1350 persons per square kilometre, by what percentage is daytime density higher?

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Correct Answer

C. 35 प्रतिशत35 percent

Explanation

Simple Explanation

Difference \(1350-1000=350\) है। Percentage increase resident density के relative \(\frac{350}{1000}\times100=35\%\) है। इसलिए तीसरा विकल्प सही है। 350 absolute difference है, percentage नहीं। परीक्षा में comparison का base resident density है क्योंकि पूछा गया है daytime density उससे कितने percent अधिक है। / The difference is \(1350-1000=350\). Percentage increase relative to resident density is \(\frac{350}{1000}\times100=35\%\). Therefore, the third option is correct. The value 350 is the absolute difference, not the percentage. The comparison base is resident density because the question asks how much higher daytime density is relative to it.

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यदि किसी city का municipal area unchanged है लेकिन daytime population 25 प्रतिशत बढ़ती है और resident population unchanged रहती है, तो daytime density पर क्या effect होगा?

If a city's municipal area is unchanged but daytime population increases by 25 percent while resident population remains unchanged, what happens to daytime density?

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Correct Answer

A. Daytime density 25 प्रतिशत बढ़ेगीDaytime density will increase by 25 percent

Explanation

Simple Explanation

Municipal area constant है, इसलिए daytime density daytime population के direct proportion में बदलती है। Daytime population 25 percent बढ़ी है, इसलिए daytime density भी 25 percent बढ़ेगी। Resident population unchanged होने से resident density unchanged रहेगी। इसलिए पहला विकल्प सही है। यह functional and residential density के अलग movement को दिखाता है। / Municipal area is constant, so daytime density changes directly with daytime population. Since daytime population rises by 25 percent, daytime density also rises by 25 percent. Resident population remains unchanged, so resident density remains unchanged. Therefore, the first option is correct. This illustrates how functional and residential densities can move differently.

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यदि किसी city की daytime density resident density से 50 प्रतिशत अधिक है और resident density 800 व्यक्ति प्रति वर्ग किलोमीटर है, तो daytime density कितनी होगी?

If a city's daytime density is 50 percent higher than its resident density of 800 persons per square kilometre, what is the daytime density?

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Correct Answer

C. 1200 व्यक्ति प्रति वर्ग किलोमीटर1200 persons per square kilometre

Explanation

Simple Explanation

Daytime density resident density से 50 percent अधिक है, इसलिए multiplier 1.5 होगा। \(800 \times 1.5 = 1200\) व्यक्ति प्रति वर्ग किलोमीटर। इसलिए तीसरा विकल्प सही है। 1600 density resident density की double होती, 50 percent higher नहीं। परीक्षा में percent greater का अर्थ original value को \(1+\frac{percentage}{100}\) से multiply करना है। / Daytime density is 50 percent higher than resident density, so the multiplier is 1.5. \(800 \times 1.5 = 1200\) persons per square kilometre. Therefore, the third option is correct. A value of 1600 would be twice the resident density, not 50 percent higher. In examinations, a value that is a given percentage higher is found by multiplying the original by \(1+\frac{percentage}{100}\).

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यदि किसी city में resident population 900000 और daytime population 1260000 है तथा area 700 वर्ग किलोमीटर है, तो daytime density resident density से कितनी अधिक है?

If a city has a resident population of 900000 and a daytime population of 1260000 over 700 square kilometres, by how much does daytime density exceed resident density?

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Correct Answer

D. 514.3 व्यक्ति प्रति वर्ग किलोमीटर514.3 persons per square kilometre

Explanation

Simple Explanation

Resident density \(900000/700\approx1285.7\) है। Daytime density \(1260000/700=1800\) है। Difference \(1800-1285.7\approx514.3\) व्यक्ति प्रति वर्ग किलोमीटर है। इसलिए चौथा विकल्प सही है। यह commuting और daily inflow के कारण functional density और residential density के अंतर को दर्शाता है। परीक्षा में दोनों populations को same area से divide करके compare करें। / Resident density is \(900000/700\approx1285.7\) persons per square kilometre. Daytime density is \(1260000/700=1800\). The difference is \(1800-1285.7\approx514.3\) persons per square kilometre. Therefore, the fourth option is correct. This illustrates how commuting and daily inflow can create a gap between functional and residential density. Divide both populations by the same area before comparing them.

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यदि किसी city में daytime population 600000 और resident population 400000 है, लेकिन area 500 वर्ग किलोमीटर है, तो daytime density और resident density का difference कितना है?

If a city has a daytime population of 600000 and a resident population of 400000 over an area of 500 square kilometres, what is the difference between daytime density and resident density?

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Correct Answer

C. 400 व्यक्ति प्रति वर्ग किलोमीटर400 persons per square kilometre

Explanation

Simple Explanation

Daytime density \(600000/500=1200\) persons per square kilometre है। Resident density \(400000/500=800\) है। Difference \(1200-800=400\) persons per square kilometre है। इसलिए तीसरा विकल्प सही है। यह functional population और residential population के density difference को दिखाता है। / Daytime density is \(600000/500=1200\) persons per square kilometre. Resident density is \(400000/500=800\). The difference is \(1200-800=400\) persons per square kilometre. Therefore, the third option is correct. This illustrates the difference between density based on functional daytime population and density based on permanent residents.

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